|
1994 Ford AEROSTAR 4.0L Excessive Emissions
The motor is running very rich. it would not idle so we ran codes and found o2 sensor not switching. Replaced o2 sensor and idle smoothed out. Still rich and still had 2 codes. #1 bank rich and #1 bank (exhaust) lean. But now when you apply the brake the v...
FIX posted 3/10/1999
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle
|
Message Closed w/FIX
|
Related Documents & Media 
| VIN | 1FMDA31X4R |
| Engine | 4.0 L / 6 cyl |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Trouble Codes
| 172 | ego not switching lean exhaust bank 1 |
| 173 | ego not switching rich bank 1 |
Message Closed w/FIX
Vehicle Data
1994 Ford AEROSTAR
| VIN | 1FMDA31X4R |
| Engine | 4.0 L / 6 cyl |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Trouble Codes
| 172 | ego not switching lean exhaust bank 1 |
| 173 | ego not switching rich bank 1 |
Video